Assessing the Changes of Mumps Characteristics with Different Vaccination Strategies Using Surveillance Data: Importance to Introduce the 2-Dose Schedule in Quzhou of China

Table 1

The incidence of mumps amongst age groups in the three assessment periods.

Age group	2005-2006		2007-2010		2011-2016
	No.	Incidence (1/100,000)	No.	Incidence (1/100,000)	No.	Incidence (1/100,000)
<2 y	12	12.63	24	12.30	38	11.74	0.062	0.969
2–5 y	289	131.92	700	179.72	506	84.97	171.775	<0.001
6–14 y	1947	352.82	2932	281.21	1141	76.50	2035.562	<0.001
15–19 y	144	39.78	220	30.96	90	10.83	112.646	<0.001
≥20 y	141	3.83	197	2.60	144	1.19	110.152	<0.001